TY  - BOOK
AU  - Honsberger, Ross
TI  - Mathematical diamonds 
T2  - Dolciani Mathematical Expositions, 
SN  - 9781470458423 (online)
PY  - 2003///
CY  - Washington, D.C.
PB  - Mathematical Association of America
KW  - Mathematics
UR  - https://doi.org/10.1090/dol/026
ER  -